SKU: SBCD-1376
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CMIO Board Plus for Raspberry Pi CM4S/CM3/CM3+/CM3L

₹6,469.00 (Inclusive of all taxes)
Out of Stock

The Waveshare Compute Module IO Board Plus is a versatile development board compatible with Raspberry Pi CM4S, CM3, CM3+, and CM3L modules, designed to expand their I/O capabilities. It features a Raspberry Pi GPIO header for HATs and Arduino connectivity for shields, alongside integrated I/O for testing and debugging.

Features

  • Compatible with Raspberry Pi CMIO Board V3 and CM4S/CM3/CM3+/CM3L series.
  • Features a standard Raspberry Pi GPIO header for HAT expansion.
  • Provides Arduino connectivity for a wide range of shields.
  • Includes onboard USB HUB, USB TO UART, and 1-WIRE interface.
  • Integrates ADC, DAC, and RTC functionality for diverse projects.

Out of stock

Description

The Compute Module IO Board Plus from Waveshare serves as a robust development platform, allowing users to flexibly utilize the resources of a Raspberry Pi Compute Module. Fully compatible with the Compute Module IO Board V3 from the Raspberry Pi, this board provides extensive expansion options for various embedded projects and prototyping.

It breaks out critical interfaces, including a Raspberry Pi GPIO header for connecting HATs and dedicated Arduino connectivity for shields, greatly enhancing peripheral support. Furthermore, it integrates essential debugging and utility features such as an onboard USB HUB, USB TO UART for serial debugging, and a 1-WIRE interface. With integrated ADC/DAC capabilities and a high-precision RTC, the board is well-suited for applications requiring sensor integration, precise analog control, and accurate timekeeping.

Key Features

  • Compatible with Raspberry Pi Compute Module IO Board V3 standard.
  • Supports Raspberry Pi CM4S, CM3, CM3L, CM3+, and CM3+L modules.
  • Includes a Raspberry Pi GPIO header for connecting various HATs.
  • Offers Arduino connectivity to support Arduino shields.
  • Features a 1-WIRE interface for single-bus devices like DS18B20.
  • Onboard USB HUB for expanding USB device connectivity.
  • Integrated IR receiver with remote control support.
  • Built-in USB TO UART for convenient serial debugging.
  • Provides 10-bit ADC (TLC1543) with 11 channels (6 for Arduino, 5 for sensors) and 16-bit DAC (DAC8552) with 2 channels.
  • High-precision DS3231 RTC chip with I2C interface and CR1220 battery holder.
  • Dedicated CSI interface for camera ports and DSI interface for display ports.
  • Includes 4 keys, 4 LEDs, and 1 buzzer for I/O testing.

Applications

  • Embedded system prototyping with Raspberry Pi Compute Modules.
  • Industrial control and monitoring requiring sensor integration.
  • IoT gateway development with expanded connectivity and communication.
  • Custom HMI solutions leveraging CSI/DSI interfaces for cameras and displays.
  • Robotics projects benefiting from diverse I/O, ADC/DAC, and precise timing.

Technical Specifications

Board TypeIO Board
CompatibilityCM3, CM3+, CM3L, CM3+L, CM4S
InterfaceCompute Module Socket (CM3 / CM3L / CM3+ / CM3+L / CM4S)
Voltage Regulator3.3V / 2.5V / 1.8V
ACT IndicatorMicro SD card status
ADC ChipTLC1543 (10-bit, 11-ch)
DAC ChipDAC8552 (16-bit, 2-ch)
RTC ChipDS3231 (high-precision, I2C)
Output Frequency12MHz

Frequently Asked Questions

Which Compute Modules are compatible with this IO Board Plus?

The Waveshare Compute Module IO Board Plus is designed for Raspberry Pi CM4S, CM3, CM3+, and CM3L modules, ensuring broad compatibility across various generations of the Compute Module series. This allows for flexible development with different performance and memory configurations.

What expansion capabilities does the board offer?

It provides a standard Raspberry Pi GPIO header for HATs, Arduino connectivity for shields, CSI/DSI interfaces for cameras/displays, a 1-WIRE interface, and a USB HUB for additional peripherals. This extensive I/O makes it highly adaptable for diverse embedded projects.

Does this board include analog-to-digital (ADC) and digital-to-analog (DAC) conversion?

Yes, it integrates a 10-bit ADC (TLC1543) with 11 channels and a 16-bit DAC (DAC8552) with 2 channels, enabling precise analog signal processing for sensor integration and control. These features are crucial for real-world data acquisition and output.

How does the RTC function on this board?

The board incorporates a high-precision DS3231 RTC chip, accessible via I2C, which provides accurate timekeeping with battery backup (CR1220 holder) for applications requiring persistent time data even when power is off. This ensures reliable timestamping for logging and scheduling.

What debugging interfaces are available?

The Compute Module IO Board Plus includes an onboard USB TO UART converter, which facilitates serial debugging, allowing developers to monitor and interact with the Compute Module via a PC terminal. This simplifies troubleshooting and firmware development workflows significantly.

Package Includes

  • 1 x Waveshare Compute Module IO Board Plus

Additional Information

Weight 0.195 kg
Dimensions 22 × 16 × 2 cm